Speaker device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7062054
SERIAL NO

10452279

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A speaker device has a pair of speaker units each including a magnetic circuit. The magnetic circuits are opposed and connected to each other by a binding member. Vibrations generated by the speaker units are canceled to each other so that the occurrence of unnecessary vibrations can be suppressed and the transient characteristic can be improved. Acoustic load members are arranged in the front portions of frames so that the resonance frequency can be lowered and a band of reproducing sound of low frequency can be expanded.

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Patent Owner(s)

  • FUJITSU TEN LIMITED;TIME DOMAIN CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Motojima, Akira Hyogo, JP 7 118
Nishikawa, Akira Hyogo, JP 76 779
Yoshii, Hiroyuki Nara, JP 18 173

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